Home / 7,975.32-11,964.02-2,428.76

Finding the Fourth Proportional to 7,975.32, 11,964.02 and 2,428.76

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Solution

The fourth proportional to 7,975.32, 11,964.02 and 2,428.76 is: 3,643.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.32 : 11,964.02 = 2,428.76 : x
  2. Step 2: Convert to fraction form
    7,975.32/11,964.02 = 2,428.76/x
  3. Step 3: Cross multiply
    7,975.32x = 11,964.02 × 2,428.76
  4. Step 4: Simplify right side
    7,975.32x = 29,057,733.22
  5. Step 5: Solve for x
    x = 29,057,733.22/7,975.32
  6. Step 6: Final answer
    x = 3,643.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.